Roller-bearing with duplex rolls.



'0. S. LOOKWOOD. v ROLLER BEARING WITH DUPLEX ROLLS.

APPLICATION FILED MAY 23,1912.

7 1,1 12,303. Patented Sept. 29. 1914* CHARLES S. LOCKWUOID, OF-NE'WABK, NE'VKJERSEY, ASSIGNOR T6 I-IYAT'J. ROLLER BEARING JUMP-ANY, 033 HAlFJRISQN, NEW JERSEY, A CORPORATION (335 NEVJ J ROLLER-BEARING WITH DUPLEX ROLLS.

Specification 0i Letters Patent.

Patented dept. so, wi l,

Application filed may 23, 1915:. Serial No. 699,100.

To all whom it may concern Be it known that 1, CHARLES S. Loci Wool), a citizen of the United States, residing at 289 Market street, Newark, county of Essex andState of New Jersey, have invented certain new and useful lirnprovements in Roller-Bearings 'with Duplex Rolls, fully described and represented in the following specification and the accompany ing' drawings, forming a part of the same.

This invention relates to roller bearings in which the hub and easing," are provided at the middle of their length With an annular rib, and'the rolls made in section to fit upon the hub and easing at opposite sides of the ribs.

lhe construction employed in this invention is especially adapted for use with rolls made of 'a spirally Wound strand which has been found in practice to possess a very advantageous amount of elasticity; but upon the ends of such rolls the strand possesses a thin tapered edge which renders it unsuitable to rotate in contact with any abutting shoulder, like the contiguous surface of an annular rib, because of its chisel shape.

The invention employs duplex rolls formed of two such roll-sections, with. Washers upon their adjacent inner ends to contact with the chisel edges of the roll-strand, and adapted to embrace the opposite sides of the ribs upon the hub and. casing; and a loose spindle is shown combined .with the roll-sections with collars at its opposite ends to resist the end thrust of such sections.

The invention will be understood by reference to the annexed drawing, in Which-- Figure l is an end view-oi? bearing our bodying the improvements; Fig. longitudinal section, Where hatched, across the center line of such bearing; Fig. 3 is an elevation of one oi the duplex rolls; Fig. l is an elevation. of the spindle for such roll; and Fig. 5 is an elevation of acollared gudgeon forithe spindle.

a-designates the casing; annular rib b at the middle of its length, which. rib may be mace separate to facilitate menu.- tacture and seats a at opposite sides of such collar to receive the roll-sections c. The hub (Z has an annular rib e at the Hid die of its length, which is thus opposite to the rib b in the casing. The roll-sections-c Qisa With a loose vasher 0 against the inner end of each roll to contact. Withthe ribs in the casing. The spindle 7 has an integral collar 7 at one end and a non-integral collar 9 .upon the opposite end, which latter collar is formed upon a gudgeon Z constructed to fit tightly in a socket h in the end of the spindle f, as is indicated in dotted lines in Fig. l. The spindle and the gudgeon are provided respectively with journals 0 and 0' upon their outer ends to re olve in holes in the heads 2' and j of a cage which guides the rolls in the casing. The cageheads are connected by tie bsrs it which passbetween the rolls.

The parts of the bearing are assembled. by setting the hub in the center of the casing and then applying each of the roll sections and its washer c with the spindle therein, to the seats at one side'of the ribs 5 and e; the opposite roll-sections and washer being" then applied to the spindles f at opposite sides of the ribs, and the guclgeon's Z are then forced into the ends of the spindles, securing the collars g firmly in place and. holding the rolls rnovably upon the spindle with the Washers against the ribs 5 and e, as shown in Fig. 2. When the rolls are thus secured Within the casing upon. opposite sides of the ribs, the

holes in the cage heads are fitted to the ournals of the spindles, and the heads se cured together by the tie-bars, thus torming a permanent guide for the rolls in the casing.

The collars g and g lit Within the heads of the cage, ass-shown in Fig. 2, and are thus held from any end movement which would permit the rolls to yield longitudinally under end thrust.

- its is Well. understood in the manufacture of suchbearings, the roll seats and the ribs in the bearing would require grinding to give them a perfect form; and Fig. 2 shows the ribs I and 0 made separate from the cas ing and hub and applied thereto by means cylindrical sleeves t and a to lacil. the formation and grinding or? the ribs annular groove u is shown upon each 0'? la,

sleeves adjacent at the base of therib e or c, as is usual, to avoid the necessity of grind" ing the roll-seats close-to the rim, as the cornor of a grinding-Wheel cannot be kept per fectly sharp.

are shown mounted losely upon spindle f air" 'ihe washers c perform an important function in'eneblin'g the roll-sections to be .made of spirally Wound strands, and thus secure the elasticity which is due to such feature of construction, While avoiding any abrasion by the chisel-ends of the strands.

Itwill be understood that the duplex rolls claimed herein are adapted for use. in any bearing having the annular rib upon the hub and casing, to resist end thrust.

Having thus set forth the nature of the invention What iscla iined herein is:

1. In a rollerbearing, the combination, with a hub and oasinghaving guide-ribs thereon. at: the middle of their length, of duplex rolls having each two sections I formed of spirally woundstrands, spindles fitted rotatably'to: the sections and having each an integratcollar upon one end and a non-integral collar upon the opposite end, whereby the-rolhsections can be applied to the spindles separately at opposite sides of the ribsnvashers fitted between the ribs and the adjacent chisel-shaped ends of the roll strands to prevent abrasion by such chiselshaped ends, and the collars being arranged and operated to tie the rolls together upon the spindles and thus resist end thrust.-

2. In a roller bearing, the coi'nbination, with a hub and easing having in one end cylindrical roll-seats (Z and a. and in the other end sleeves s and t fori'ning similar roll-seats and pronided at their inner ends with annular guide-ribs c and b, of duplexrolls having each two sections,sp ndles fitted rotatablyto the sections and having each an integral collar upon one end and a non-integral collar upon the op osite end, where by the roll-sections can e applied to'the spindles separately at opposite sides of the ribs, washers fitted between the ribs and the ends of the rolls, and the collars being arranged and operated to tie the rolls together upon the spindles and thus resist end-thrust.

In testimony whereof'I have hereunto set my hand in the Witnesses.

CHARLES s. LOOKWOOD. Witnesses G. C. S'ruL'rs, E. lVlLr-mius.

presence of two subscribing 

